US Patent 11620878 Universal cassette for recirculation of bills in multiple systems

A cassette for receiving and dispensing bills is disclosed. The cassette includes a first sensor structured to detect a fill level of the cassette, a second sensor structured to detect a location of the cassette, and memory having stored thereon instructions that, when executed by one or more processors, cause the one or more processors to receive, at one or more time intervals, data from the first sensor indicating the fill level of the cassette, transmit the location of the cassette and an indication of the fill level of the cassette to a remote computing device, and in response to determining that the fill level of the cassette is outside of a threshold value, transmit a notification to the remote computing device.